package lang;

public class Snippet {
	

	public static void main(String[] args) {
		double sum=0;
		int i=5;
		while (true) {
			sum+=(1/i);
			i+=5;
			if (sum>1.8) {
				System.out.println(sum);
				break;
			}
		}
		
		
	}
}
